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Mathematics, 21.06.2019 23:00
Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?
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Mathematics, 21.06.2019 23:20
Suppose a laboratory has a 30 g sample of polonium-210. the half-life of polonium-210 is about 138 days how many half-lives of polonium-210 occur in 1104 days? how much polonium is in the sample 1104 days later? 9; 0.06 g 8; 0.12 g 8; 2,070 g
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Mathematics, 22.06.2019 00:00
Apack of gum would be considered a(n) necessity luxury item small ticket item unaccountable expense
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Mathematics, 22.06.2019 00:30
One positive integer is 2 less than another. the product of the two integers is 24. what are the integers
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Mathematics, 02.12.2020 19:40
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Mathematics, 02.12.2020 19:40